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Genetics and Evolution are central to modern biological understanding. Genetics itself is a huge, rapidly changing field and can be divided into several main categories.
However, this kind of division is very arbitrary and heavily influenced by historical progression of the different sub-fields. There are additional large fields that could be listed, but are not as primary as the divisions above, such as:
- Conservation Genetics
- Developmental Genetics
- Ecological Genetics
- Genetic Anthropology
- Human and Medical Genetics
- Personal Genomics
I am purposely avoiding dividing the field by taxonomy (except for human genetics and related fields). The classical taxonomic divisions of biology are loosing their usefulness. A large part of this is due to genetics and evolution where the same basic principles can apply across a wide range of organisms.
The general scope of genetics would not be complete without considering the history of genetics, genetics and ethics, and especially the intersection of these two areas, the history of eugenics.
Let's get started by talking about what a gene is, genetic heritability versus environmental effects on phenotype variance, and DNA.
